What type of filtering software divides email messages that have been received into two piles, spam and non-spam and then analyzes every word in each email and determines how frequently a word occurs in the spam pile compared to the not-spam pile?

a. blacklist filtering
b. whitelist filtering
c. bayesian filtering
d. extension filtering

c) Bayesian filtering

Explanation:

Bayesian filtering is the program that is used for analyzing the content through logic of Bayesian.It is used for assessment of the content and header of emails and then evaluates the chances of spam in that mail so that it can be eliminated .

It splits the mails into category of non-spam and spam for analyzation. It is also known as Bayesian analysis.Other options are incorrect because blacklist filtering is based on email spamming of the emails that come from unrecognized entity. Whitelist filtering is for granting email process to authorized entity.Extension filtering is used for extension extraction from entity.Thus, the correct option is option(c).

False if not look it up online